How make a nice contact sheet of a movie with FFmpeg.
How to make a very nice contact sheet of a movie using FFmpeg.
Read MoreTag: ffmpeg
More useful tricks with youtube-dl on Linux.
How to use the yt-dlp script to download the subtitles file from a Youtube video. This would be a very useful Youtube trick.
Read MoreHow to encode a vp9 webm and OPUS audio very easily with ffmpeg.
How to encode a very good quality WebM file using vp9 codec and OPUS audio. This is very useful indeed.
Read MoreHow to use FFmpeg to merge multiple videos side by side.
Use FFmpeg to merge multiple videos in a collage Merging multiple videos side by side is easy with FFmpeg. The FFmpeg example below will merge three videos together side by side. The resulting video will not end until the longest video clip ends. 1 2 3 4 5 6 7…
Read MoreHow to make a spectrogram with FFmpeg on Linux. This is very cool.
Making a spectrogram with FFmpeg on Linux is very easy. The FFmpeg utility is the best way to accomplish this task. This simple command will render a spectrogram of the audio file. This can be very interesting if the music file contains hidden information in the audio. ┌──(john㉿DESKTOP-PF01IEE)-[/mnt/c/Users/Intel i5/Music/Rap] └─$…
Read MoreVery interesting Bash shell script for creating a Webm clip from a movie.
This is a very useful Bash shell script, this will create a Webm clip from a movie. This shows how to get parameters in a Bash script easily. #!/bin/bash while [[ "$#" -gt 0 ]]; do case $1 in -f|–filename) filename="$2"; shift ;; -t|–timestamp) timestamp="$2"; shift ;; -o|–outfile) outfile="$2";…
Read MoreHow to rip a Webm from a video and encode in the best possible quality.
To rip a good quality Webm from a movie, this one-liner will work, this will encode with sound and very high-quality video in small file size. ffmpeg -i Matrix.mkv -c:v libvpx -b:v 2700k -ss 00:02:30 -t 15 -c:a libvorbis -b:a 384k -sn -copyts -threads 4 swat3.webmffmpeg -i Matrix.mkv -c:v libvpx…
Read MoreHow to encode a movie clip with FFmpeg and have the encoding start right away.
Encoding a movie clip with FFmpeg is very simple, but getting the encoding to start right away is the hard part. Sometimes it will take many seconds to start, but this is due to the slow searching through the file looking for the right section. Putting the “-ss 01:58:11” parameter…
Read MoreHow to get the best quality when creating a webm with FFmpeg.
Rip a Youtube video to a good quality Webm with FFmpeg This very useful command will get a Youtube video and rip a certain timeframe from the video to a good quality WebM file. Create a Webm with FFmpeg. ┌──[[email protected]]─[~/Videos] └──╼ ╼ $ ffmpeg -ss 00:00:55 -to 00:01:05 -i `yt-dlp…
Read MoreHow to merge sound and video in FFmpeg. This is very helpful sometimes.
To merge a Video file and an audio file, only FFmpeg is required. I needed the audio from one other video, I ripped it like this. ffmpeg -i Online-1.mp4 -vn -acodec copy output-audio.aacffmpeg -i Online-1.mp4 -vn -acodec copy output-audio.aac Then I could use this command to merge the aac audio…
Read MoreHow to use FFmpeg to get a slow-motion video clip.
Making a slow-motion clip from a video can be very useful to show off what is happening in a certain scene. The example below will make a slow-motion clip from a video file. This would be another very useful FFmpeg tip. > ffmpeg -i qS_lu5dKo9A2qoNW.mp4 -c:v libvpx -b:v 3200k -filter:v…
Read MoreInteresting FFmpeg effect.
This is a very interesting emboss and sepia effect for FFmpeg. ffmpeg -i NOLm_Ambowide2_1207.mp4 -vf "curves=vintage,convolution=-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2:-2 -1 0 -1 1 1 0 1 2" ambo.mp4ffmpeg -i…
Read MoreHow to properly brighten a video file with FFmpeg.
Making a video file brighter is very easy, this can be done with FFmpeg. The curves filter can easily brighten a video file without causing much degradation at all. Use this example to make a video file a bit brighter and it will still be the same quality. ffmpeg -i…
Read MoreMore fun with FFmpeg. How to reverse video colors in interesting ways.
FFmpeg allows interesting video manipulation. This includes inverting the colours of video files. The example below will invert the colours of a video file. ┌──[[email protected]]─[~/Videos/titles] └──╼ ╼ $ ffmpeg -i zombiestrain.avi -vf lutrgb="r=negval:g=negval:b=negval" zomby.avi┌──[[email protected]]─[~/Videos/titles] └──╼ ╼ $ ffmpeg -i zombiestrain.avi -vf lutrgb="r=negval:g=negval:b=negval" zomby.avi This is an example of what this…
Read MoreHow to increase the loudness of an audio track using ffmpeg on Linux.
The FFmpeg utility on Linux is very useful for encoding to different file formats, but it can also be used to tweak audio files. The example below will increase the loudness of an audio track. ┌──[[email protected]]─[~/Music] └──╼ ╼ $ ffmpeg -i Forest_Bg_Night_01.wav -c:a libvorbis -b:8 64k -af loudnorm=I=-16:LRA=11:TP=-1.0 forest.ogg┌──[[email protected]]─[~/Music] └──╼…
Read MoreHow to get an excerpt from a video with FFmpeg.
Extracting an excerpt from a video is very useful, this is how to do it. The command below extracts an excerpt from a video at 00:00:05 to 00:00:15. This is scaled to 640×360 pixels and is good quality. ┌──[[email protected]]─[~/Videos] └──╼ ╼ $ ffmpeg -v 1 -i agropromfun.mp4 -ss 00:00:05 -to…
Read MoreCreate a nice spectrum display of an audio file. This is very easy to do.
Creating a very nice spectrum display of an audio file is very simple to do. The FFmpeg utility is the best way to generate such a useful audio waveform demonstration. This command will generate a 2560×1080 resolution waveform display of the file underground_01.ogg ffplay -f lavfi ‘amovie=undergrnd_01.ogg, asplit [a][out1]; [a]…
Read MoreFeed a Youtube video into FFmpeg directly with youtube-dl.
Downloading a Youtube video with youtube-dl is pretty common, but it is also possible to feed it directly into FFmpeg using parameter expansion in bash. ┌─[jason@jason-desktop]─[~/Videos] └──╼ $ffmpeg -i $(youtube-dl -f 22 -g https://www.youtube.com/watch?v=laJpHzVtF9k) output.ts┌─[jason@jason-desktop]─[~/Videos] └──╼ $ffmpeg -i $(youtube-dl -f 22 -g https://www.youtube.com/watch?v=laJpHzVtF9k) output.ts This command will get a Youtube…
Read MoreRemove a logo from a video easily with ffmpeg.
It is very easy with ffmpeg to remove a logo from a video. This is done with the delogo filter. Below is an example. Here I am using the delogo filter. This is the x and y locations of the logo and the width and height: “delogo=x=483:y=25:w=298:h=77”. ┌─[jason@jason-desktop]─[~/Videos] └──╼ $ffmpeg…
Read MoreHow to add subtitles to a movie with ffmpeg on Linux.
Merging a subtitle *.srt file to a move on Linux is very easy. Just download a suitable srt file from the Internet, then put it in the same directory as the TV show or movie you have. Then do this to merge the two. 1 2 3 4 5 6…
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